PA51-44(Z) Data Sheet
44 pin PLCC socket/40 pin DIP 0.6” plug
Supported Device/Footprints
This adapter allows programming of several PLCC, CLCC, and
LCC devices in their DIP footprint.
Adapter Parts & Part Numbers
The following chart shows the various socket and board part
numbers that make up these adapters.
Device
Device
8748
8749
8751H
Footprint
Adapter
PA51-44
PA51-44Z
Test Socket
44-306
44-400
Circuit Board
PA51-PD
PA51-PDZ
Mfgr
Several
Package Device
Plug
40 Pin DIP
PLCC
8748
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
8749
8751H
87C51
87C52
87C51-FA
87C51-FB
87C51-FC
87C528
87C652
87C654
AT89C51
"
"
"
"
"
"
"
"
"
"
"
87C51
87C52
Adapter Construction
The adapter is made up of 2 sub-assemblies. They assemble via
connectors making the adapter modular. This way the sub-
assemblies can be replaced when they wear out.
87C51-FA
87C51-FB
87C51-FC
87C528
87C652
87C654
AT89C51
When disassembling the adapter take care not to bend the pins.
When reassembling the adapter note the pin 1 indicators to align
the parts correctly.
Test Socket
PLCC Auto-Eject test socket:
Adapter Dimensions
Yamaichi Part #: IC120-0444-306
ZIF Lidded socket:
Yamaichi Part #: IC51-0444-400
LSC Part #: 44-306
LSC Part #: 44-400
PA51-PD(Z)
Accepts the test socket and remaps the signals to the DIP plug.
Adapter Wiring
The following chart shows the connections from the PLCC
device to the adapter’s DIP plug.
DEVICE
SIGNAL
PLUG
PLUG
SIGNAL
DEVICE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
NC
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
RST
P3.0
NC
P3.1
P3.2
P3.3
P3.4
P3.5
P3.6
P3.7
XTAL1
XTAL2
Vss
NC
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
P2.7
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
1
2
3
4
5
6
7
8
9
21
22
23
24
25
26
27
28
29
30
PA51-44
PSEN-
ALE/PROG-
NC
EA-/Vpp
P0.7
10
11
12
13
14
15
16
17
18
19
20
31
32
33
34
35
36
37
38
39
40
P0.6
P0.5
P0.4
P0.3
P0.2
P0.1
P0.0
Vcc
PA51-44Z
PA51-44(Z) Data Sheet
Doc: 51-PD.DOC
Rev 2/25/99
Logical Systems Corporation
PO Box 6184, Syracuse, NY 13217-6184 USA
Tel (315) 478-0722, FAX (315) 479-6753
Page 1 of 1
S Y S T E M S
www.logicalsys.com, Email: info@logicalsys.com